[IronPython] App stops responding, form won't refresh

Michael Foord fuzzyman at voidspace.org.uk
Wed May 26 15:48:23 PDT 2010


On 26/05/2010 23:46, robinsiebler wrote:
> I've looked at both of them before I posted this, but I'm just failing to
> understand it I guess.
>
>    

Perhaps this example would be better - it shows updating a progress bar 
from a calculation being run in a background thread:

     http://www.ironpython.info/index.php/Progress_Bar

All the best,

Michael

> Michael Foord-5 wrote:
>    
>> On 26/05/2010 22:40, robinsiebler wrote:
>>      
>>> This is my 1st IronPython/.NET app. It is really simple, all it does is
>>> zip
>>> all the files in a folder into an archive, 1 file per zip.
>>>
>>> The problem is that when it is zipping large files 200MB+ the app stops
>>> responding. It is still zipping files, but the UI doesn't update. I don't
>>> know how to fix this.
>>>
>>>        
>> If you create a form and perform any activity on the same thread that
>> created the form then you will block until that activity is completed.
>> Instead you can create a background thread and post updates to the ui
>> from that thread by "invoking".
>>
>> If you are using Windows Forms then you might find this example of
>> invoking onto the gui thread useful:
>>
>> http://www.ironpython.info/index.php/Invoking_onto_the_GUI_%28Control%29_Thread
>>
>> There is also an example of basic threading here:
>>
>> http://www.voidspace.org.uk/ironpython/threading.shtml
>>
>> All the best,
>>
>> Michael Foord
>>
>>      
>>> The project is here -
>>> http://cid-0c375b07f1f323b6.skydrive.live.com/self.aspx/.Public/ZipfilesGUI.zip
>>>
>>> I think I need to add a thread to update the form, but all of my attempts
>>> have failed. Any help in this regard would be greatly appreciated.
>>>
>>>        
>>
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>>      
>    


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